TOTFest, designed for children aged one to five, will host one of its flagship Hero Weekends in the county on July 17 and 18. Organisers expect the Hertfordshire event to attract thousands of visitors, benefiting the local economy including hotels, restaurants, and other businesses. It will be one of just three flagship TOTFest weekends in the UK next year. Hertfordshire set to host major family festival (Image: Supplied)Families are encouraged to join the TOTFest waiting list for early ticket access. TOTFest announces Hertfordshire dates for 2027 (Image: Supplied)This ticket tier has sold out during Presale every year.